Finding the Fourth Proportional to 558,768,413.26, 838,282,306.53 and 190,306,557.76
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Solution
The fourth proportional to 558,768,413.26, 838,282,306.53 and 190,306,557.76 is: 285,504,005.60
Step by Step Solution
- Step 1: Write the proportion equation
558,768,413.26 : 838,282,306.53 = 190,306,557.76 : x - Step 2: Convert to fraction form
558,768,413.26/838,282,306.53 = 190,306,557.76/x - Step 3: Cross multiply
558,768,413.26x = 838,282,306.53 × 190,306,557.76 - Step 4: Simplify right side
558,768,413.26x = 159,530,620,186,837,472 - Step 5: Solve for x
x = 159,530,620,186,837,472/558,768,413.26 - Step 6: Final answer
x = 285,504,005.60
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.